package com.zhongou.common.calendarcommon;

import java.util.Calendar;

public class SpecialCalendar {

	private int daysOfMonth = 0;      //某月的天数
	private int dayOfWeek = 0;        //具体某一天是星期几




	// 判断是否为闰年
	public boolean isLeapYear(int year) {
		if (year % 100 == 0 && year % 400 == 0) {
			return true;
		} else if (year % 100 != 0 && year % 4 == 0) {
			return true;
		}
		return false;
	}

	//得到某月有多少天数
	public int getDaysOfMonth(boolean isLeapyear, int month) {
		switch (month) {
			case 1:
			case 3:
			case 5:
			case 7:
			case 8:
			case 10:
			case 12:
				daysOfMonth = 31;
				break;
			case 4:
			case 6:
			case 9:
			case 11:
				daysOfMonth = 30;
				break;
			case 2:
				if (isLeapyear) {
					daysOfMonth = 29;
				} else {
					daysOfMonth = 28;
				}

		}
		return daysOfMonth;
	}

	//指定某年中的某月的第一天是星期几
	public int getWeekdayOfMonth(int year, int month){
		Calendar cal = Calendar.getInstance();
		cal.set(year, month-1, 1);
		dayOfWeek = cal.get(Calendar.DAY_OF_WEEK)-1;
		return dayOfWeek;
	}


}
